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Title: Transition of temporal scaling behavior in percolation assisted shear-branching structure during plastic deformation

This study explores the temporal scaling behavior induced shear-branching structure in response to variant temperatures and strain rates during plastic deformation of Zr-based bulk metallic glass (BMG). The data analysis based on the compression tests suggests that there are two states of shear-branching structures: the fractal structure with a long-range order at an intermediate temperature of 223 K and a larger strain rate of 2.5 × 10 –2 s –1; the disordered structure dominated at other temperature and strain rate. It can be deduced from the percolation theory that the compressive ductility, ec, can reach the maximum value at the intermediate temperature. Furthermore, a dynamical model involving temperature is given for depicting the shear-sliding process, reflecting the plastic deformation has fractal structure at the temperature of 223 K and strain rate of 2.5 × 10 –2 s –1.
 [1] ;  [1] ;  [2] ;  [3]
  1. Zhengzhou Univ., Zhengzhou (China)
  2. Shanghai Univ., Shanghai (China)
  3. Univ. of Tennessee, Knoxville, TN (United States)
Publication Date:
Grant/Contract Number:
FE0011194; FE0024054
Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
Journal Volume: 7; Journal ID: ISSN 2045-2322
Nature Publishing Group
Research Org:
Univ. of Tennessee, Knoxville, TN (United States)
Sponsoring Org:
USDOE Office of Fossil Energy (FE); USDOE National Energy Technology Laboratory (NETL)
Country of Publication:
United States
36 MATERIALS SCIENCE; applied mathematics; scaling laws
OSTI Identifier: